High severity · published Aug 11, 2026
CVE-2026-6726
An information leakage vulnerability in the TCG TPM 2.0 reference code.
7.9
CVSS
0.2%
EPSS
No
On KEV
Description
An information leakage vulnerability was reported in the TCG TPM 2.0 reference code that could allow a local attacker with elevated privileges to obtain a credential from a TPM-aware CA for a falsified TPM key (such as an Attestation Key, DevID Key or TLS authentication key) and falsify other TPM 2.0 attestations with this key. See also TCG VRT0010.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TP
TPM2.0 · Trusted Computing Group
through v184 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6726
trustedcomputinggroup.org
https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/
trustedcomputinggroup.org
https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf
trustedcomputinggroup.org
https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf
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5.9
CVE-2026-6727
No description published yet
